Hello again Mark

Good questions. We have tested the sensitivity specs and the frequency offset is very tight . Plus, or minors a few HZ and as best as best we can measure the -148 DBMM is correct.  We have a method to achieve to get the frequency offset in specs but it is untested.

We have flow an AX5043 device that has uses FSK with FEC it is about 10DB short of the LoRa. In the lab we could not get to the published sensitivity of -138 DBM and is very sensitive to frequency offset.  The manufacture ON Semiconductors has not been very helpful unless we commit to buy thousands of devices per month. It also requires us to fabricate a filter and baleen that requires ~ 10 capacitors and inductors external to the device. On the positive side it is easily to make this device operate on the standard analog FM mode.

nick

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